<?php
require_once './lib/phpchartdir.php'; 

# The data for the line chart
$data = unserialize(urldecode($_REQUEST['data']));

foreach($data as $value){
	$dataG[] = $value['value'];
	$labelsX[] = substr($value['date'],0,4);
}

//@TODO : Spécifier le pourcentage min et max
$i=-100;
while($i>100){	$labelsY[] = $i;}

# Create a XYChart object of size 250 x 250 pixels
$c = new XYChart(300, 250);
$c->setPlotArea(40, 10, 200, 200);
$c->yAxis->setTitle("%"); 
$c->xAxis->setTitle("Années"); 
# Add a line chart layer using the given data
$c->addLineLayer($dataG);
# Set the labels.
$c->yAxis->setLabels($labelsY);
$c->yAxis->setLabelStep(10);
$c->xAxis->setLabels($labelsX);

# Output the chart
header("Content-type: image/png");
print($c->makeChart2(PNG));

?>